The Terrace is the first set of galaxies that one is allowed to visit and collect Power Stars. The Terrace decor is featured like an observatory for the stars. These are the level featured in The Terrace:
Good Egg Galaxy
Good Egg Galaxy is a good introductionary main level with no real defined theme to it. It showcases two bosses Dino Piranha and King Kaliente.
Levels for Good Egg Galaxy:
Dino Piranha
A Snack of Cosmic Proportions
King Kaliente's Battle Fleet
Dino Piranha Speed Run
Purple Coin Omelet
Luigi on the Roof

Honeyhive Galaxy
HoneyHive Galaxy is galaxy inhabited by friendly Bees and Queen Bee. This is the first time Mario gets introduced to Bee Suit. The main boss of this area is Bugaboom.
Levels for Honeyhive Galaxy:
Bee Mario/Luigi Takes Flight
Trouble on the Tower
Big Bad Bugaboom
Honeyhive Cosmic Mario/Luigi Race
The Honeyhive's Purple Coins
Luigi in the Honeyhive Kingdom

Loopdeeloop Galaxy
Loopdeeloop Galaxy, is a track based level, where the goal is for mario to beat the level on top of Manta Ray. This galaxy has no real threat.
Level for Loopdeeloop Galaxy:
Surfing 101
Flipswitch Galaxy
Flipswitch focuses on simple level of making all switches activated to get the star.
Level for Flipswitch Galaxy:
Painting the Planet Yellow
Bowser Jr.'s Robot Reactor
This level is where you first encounter grand star, and have to defeat the main boss of the Terrace Megaleg.
Level for Bowser Jr's Robot Reactor:
Megaleg's Moon
Sweet Sweet Galaxy (Hungry Luma)
Once the Luma is fed 400 starbits, it will unlock Sweet Sweet Galaxy, which is themed after cookies and other desserts.
Level for Sweet Sweet Galaxy:
Rocky Road


